Aug 13th, 2008 · The red that normally colors the flower of a tobacco plant may now be put to use to signal "stop" in the presence of deadly land mines. South African scientists along with a Dutch biotech firm have engineered a tobacco plant with leaves that turn red when grown near land mines. Its roots detect the nitrogen dioxide leaching from the mines.
May 29th, 2008 · A biotech company says it has created genetically engineered canola and rice plants that need only half as much nitrogen fertilizer. But some environmentalists don't think that any genetically engineered crops can really be "green."
Jan 31st, 2007 · Forget molecular gastronomy. Braising may not be considered cutting-edge cooking in today's top kitchens, but Howard Yoon would pit the flavor and satisfaction of a braised shank against any dish frozen in liquid nitrogen.
Jan 14th, 2007 · A game of categories, using the letters L-I-A-N-E. For each category, the player will name something in it beginning with each of these letters. For example, for chemical elements, answers might be lead, iron, argon, nitrogen and erbium.
Jun 13th, 2006 · After years of study, Rocky Mountain National Park has become the first national park to establish a "critical load" for pollution. The load represents the limit beyond which pollutants cause harm to wildlife and plants. The nitrogen levels in the park are already more than twice the critical load.
Aug 14th, 2005 · Move over, Ben and Jerry's: There's a new ice cream team in town with an unconventional method of making the delicious summertime treat. Liane Hansen talks with chemical engineer Will Schroeder about his liquid nitrogen ice cream booth at the Iowa State Fair.